from __future__ import absolute_import
#
# This is an extension to the Nautilus file manager to allow better
# integration with the Subversion source control system.
#
# Copyright (C) 2006-2008 by Jason Field <jason@jasonfield.com>
# Copyright (C) 2007-2008 by Bruce van der Kooij <brucevdkooij@gmail.com>
# Copyright (C) 2008-2010 by Adam Plumb <adamplumb@gmail.com>
#
# RabbitVCS is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# RabbitVCS is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with RabbitVCS;  If not, see <http://www.gnu.org/licenses/>.
#

import six.moves._thread
import os

from rabbitvcs.util import helper

import gi
gi.require_version("Gtk", "3.0")
sa = helper.SanitizeArgv()
from gi.repository import Gtk, GObject, Gdk
sa.restore()

from rabbitvcs.ui import InterfaceView
from rabbitvcs.ui.action import SVNAction
from rabbitvcs.util.contextmenu import GtkFilesContextMenu, GtkContextMenuCaller
import rabbitvcs.ui.widget
import rabbitvcs.ui.dialog
import rabbitvcs.vcs
from rabbitvcs.util.strings import S
from rabbitvcs.util.log import Log

log = Log("rabbitvcs.ui.lock")

from rabbitvcs import gettext
_ = gettext.gettext

helper.gobject_threads_init()

class SVNLock(InterfaceView, GtkContextMenuCaller):
    """
    Provides an interface to lock any number of files in a working copy.

    """

    def __init__(self, paths, base_dir):
        """
        @type:  paths: list
        @param: paths: A list of paths to search for versioned files

        """

        InterfaceView.__init__(self, "lock", "Lock")

        self.paths = paths
        self.base_dir = base_dir
        self.vcs = rabbitvcs.vcs.VCS()
        self.svn = self.vcs.svn()

        self.files_table = rabbitvcs.ui.widget.Table(
            self.get_widget("files_table"),
            [GObject.TYPE_BOOLEAN, rabbitvcs.ui.widget.TYPE_HIDDEN_OBJECT,
                rabbitvcs.ui.widget.TYPE_PATH, GObject.TYPE_STRING,
                GObject.TYPE_STRING],
            [rabbitvcs.ui.widget.TOGGLE_BUTTON, _("Path"), _("Extension"),
                _("Locked")],
            filters=[{
                "callback": rabbitvcs.ui.widget.path_filter,
                "user_data": {
                    "base_dir": base_dir,
                    "column": 2
                }
            }],
            callbacks={
                "mouse-event":   self.on_files_table_mouse_event
            }
        )

        self.message = rabbitvcs.ui.widget.TextView(
            self.get_widget("message")
        )

        self.items = None
        self.initialize_items()

    #
    # Helper functions
    #

    # Overrides the GtkContextMenuCaller method
    def on_context_menu_command_finished(self):
        self.initialize_items()

    def initialize_items(self):
        """
        Initializes the activated cache and loads the file items in a new thread
        """

        try:
            six.moves._thread.start_new_thread(self.load, ())
        except Exception as e:
            log.exception(e)

    def load(self):
        self.get_widget("status").set_text(_("Loading..."))
        self.items = self.vcs.get_items(self.paths)
        self.populate_files_table()
        self.get_widget("status").set_text(_("Found %d item(s)") % len(self.items))

    def populate_files_table(self):
        for item in self.items:

            locked = ""
            if self.svn.is_locked(item.path):
                locked = _("Yes")
            if not self.svn.is_versioned(item.path):
                continue

            self.files_table.append([
                True,
                S(item.path),
                item.path,
                helper.get_file_extension(item.path),
                locked
            ])

    def show_files_table_popup_menu(self, treeview, data):
        paths = self.files_table.get_selected_row_items(1)
        GtkFilesContextMenu(self, data, self.base_dir, paths).show()

    #
    # UI Signal Callbacks
    #

    def on_ok_clicked(self, widget, data=None):
        steal_locks = self.get_widget("steal_locks").get_active()
        items = self.files_table.get_activated_rows(1)
        if not items:
            self.close()
            return

        message = self.message.get_text()

        self.hide()

        self.action = rabbitvcs.ui.action.SVNAction(
            self.svn,
            register_gtk_quit=self.gtk_quit_is_set()
        )

        self.action.append(self.action.set_header, _("Get Lock"))
        self.action.append(self.action.set_status, _("Running Lock Command..."))
        self.action.append(helper.save_log_message, message)
        for path in items:
            self.action.append(
                self.svn.lock,
                path,
                message,
                force=steal_locks
            )
        self.action.append(self.action.set_status, _("Completed Lock"))
        self.action.append(self.action.finish)
        self.action.schedule()

    def on_files_table_mouse_event(self, treeview, event, *args):
        if event.button == 3 and event.type == Gdk.EventType.BUTTON_RELEASE:
            self.show_files_table_popup_menu(treeview, event)

    def on_select_all_toggled(self, widget, data=None):
        for row in self.files_table.get_items():
            row[0] = self.get_widget("select_all").get_active()

    def on_previous_messages_clicked(self, widget, data=None):
        dialog = rabbitvcs.ui.dialog.PreviousMessages()
        message = dialog.run()
        if message is not None:
            self.message.set_text(S(message).display())



classes_map = {
    rabbitvcs.vcs.VCS_SVN: SVNLock
}

def lock_factory(paths, base_dir):
    guess = rabbitvcs.vcs.guess(paths[0])
    return classes_map[guess["vcs"]](paths, base_dir)


if __name__ == "__main__":
    from rabbitvcs.ui import main, BASEDIR_OPT
    (options, paths) = main(
        [BASEDIR_OPT],
        usage="Usage: rabbitvcs lock [path1] [path2] ..."
    )

    window = lock_factory(paths, options.base_dir)
    window.register_gtk_quit()
    Gtk.main()
